Fatal error: Uncaught PDOException: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'letter' in 'SELECT' in /home/u965202651/domains/mathsparsh.com/public_html/question.php:158
Stack trace:
#0 /home/u965202651/domains/mathsparsh.com/public_html/question.php(158): PDO->prepare()
#1 {main}
thrown in /home/u965202651/domains/mathsparsh.com/public_html/question.php on line 158